Dec 11 07:07:33.103 INFO checking u2/leetcode-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:07:33.103 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 07:07:33.637 INFO [stdout] 0a499dffe88435f12a95f6a4dc3ecc1842ae4b1059698314fe5d8a6d494ff9ac
Dec 11 07:07:33.639 INFO running `"docker" "start" "-a" "0a499dffe88435f12a95f6a4dc3ecc1842ae4b1059698314fe5d8a6d494ff9ac"`
Dec 11 07:07:35.523 INFO [stderr] usermod: no changes
Dec 11 07:07:35.652 INFO [stderr]     Checking leetcode v0.1.0 (/source)
Dec 11 07:07:36.365 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:07:36.365 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 11 07:07:36.365 INFO [stderr]    |
Dec 11 07:07:36.365 INFO [stderr] 42 |             j - 1;
Dec 11 07:07:36.365 INFO [stderr]    |             ^^^^^
Dec 11 07:07:36.365 INFO [stderr]    |
Dec 11 07:07:36.365 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:07:36.365 INFO [stderr] 
Dec 11 07:07:36.760 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 11 07:07:36.760 INFO [stderr]   --> src/find_median_sorted_arrays.rs:42:13
Dec 11 07:07:36.760 INFO [stderr]    |
Dec 11 07:07:36.760 INFO [stderr] 42 |             j - 1;
Dec 11 07:07:36.760 INFO [stderr]    |             ^^^^^
Dec 11 07:07:36.760 INFO [stderr]    |
Dec 11 07:07:36.760 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 07:07:36.760 INFO [stderr] 
Dec 11 07:07:36.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 11 07:07:36.824 INFO [stderr] su: No module specific data is present
Dec 11 07:07:38.116 INFO running `"docker" "inspect" "0a499dffe88435f12a95f6a4dc3ecc1842ae4b1059698314fe5d8a6d494ff9ac"`
Dec 11 07:07:38.574 INFO running `"docker" "rm" "-f" "0a499dffe88435f12a95f6a4dc3ecc1842ae4b1059698314fe5d8a6d494ff9ac"`
Dec 11 07:07:38.896 INFO [stdout] 0a499dffe88435f12a95f6a4dc3ecc1842ae4b1059698314fe5d8a6d494ff9ac